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        <a href="paramiko-module.html">Package&nbsp;paramiko</a> ::
        Module&nbsp;proxy
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<h1 class="epydoc">Source Code for <a href="paramiko.proxy-module.html" onclick="show_private();">Module paramiko.proxy</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno"> 1</tt>  <tt class="py-line"><tt class="py-comment"># Copyright (C) 2012  Yipit, Inc &lt;coders@yipit.com&gt;</tt> </tt>
<a name="L2"></a><tt class="py-lineno"> 2</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L3"></a><tt class="py-lineno"> 3</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># This file is part of paramiko.</tt> </tt>
<a name="L4"></a><tt class="py-lineno"> 4</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L5"></a><tt class="py-lineno"> 5</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Paramiko is free software; you can redistribute it and/or modify it under the</tt> </tt>
<a name="L6"></a><tt class="py-lineno"> 6</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># terms of the GNU Lesser General Public License as published by the Free</tt> </tt>
<a name="L7"></a><tt class="py-lineno"> 7</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Software Foundation; either version 2.1 of the License, or (at your option)</tt> </tt>
<a name="L8"></a><tt class="py-lineno"> 8</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># any later version.</tt> </tt>
<a name="L9"></a><tt class="py-lineno"> 9</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L10"></a><tt class="py-lineno">10</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># Paramiko is distrubuted in the hope that it will be useful, but WITHOUT ANY</tt> </tt>
<a name="L11"></a><tt class="py-lineno">11</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR</tt> </tt>
<a name="L12"></a><tt class="py-lineno">12</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more</tt> </tt>
<a name="L13"></a><tt class="py-lineno">13</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># details.</tt> </tt>
<a name="L14"></a><tt class="py-lineno">14</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#</tt> </tt>
<a name="L15"></a><tt class="py-lineno">15</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># You should have received a copy of the GNU Lesser General Public License</tt> </tt>
<a name="L16"></a><tt class="py-lineno">16</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># along with Paramiko; if not, write to the Free Software Foundation, Inc.,</tt> </tt>
<a name="L17"></a><tt class="py-lineno">17</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.</tt> </tt>
<a name="L18"></a><tt class="py-lineno">18</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L19"></a><tt class="py-lineno">19</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L20"></a><tt class="py-lineno">20</tt>  <tt class="py-line"><tt class="py-docstring">L{ProxyCommand}.</tt> </tt>
<a name="L21"></a><tt class="py-lineno">21</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L22"></a><tt class="py-lineno">22</tt>  <tt class="py-line"> </tt>
<a name="L23"></a><tt class="py-lineno">23</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
<a name="L24"></a><tt class="py-lineno">24</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">shlex</tt> <tt class="py-keyword">import</tt> <tt class="py-name">split</tt> <tt class="py-keyword">as</tt> <tt class="py-name">shlsplit</tt> </tt>
<a name="L25"></a><tt class="py-lineno">25</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">signal</tt> </tt>
<a name="L26"></a><tt class="py-lineno">26</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">subprocess</tt> <tt class="py-keyword">import</tt> <tt class="py-name">Popen</tt><tt class="py-op">,</tt> <tt class="py-name">PIPE</tt> </tt>
<a name="L27"></a><tt class="py-lineno">27</tt>  <tt class="py-line"> </tt>
<a name="L28"></a><tt class="py-lineno">28</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Package paramiko=paramiko-module.html"><a title="paramiko" class="py-name" href="#" onclick="return doclink('link-0', 'paramiko', 'link-0');">paramiko</a></tt><tt class="py-op">.</tt><tt id="link-1" class="py-name" targets="Module paramiko.ssh_exception=paramiko.ssh_exception-module.html"><a title="paramiko.ssh_exception" class="py-name" href="#" onclick="return doclink('link-1', 'ssh_exception', 'link-1');">ssh_exception</a></tt> <tt class="py-keyword">import</tt> <tt id="link-2" class="py-name" targets="Class paramiko.ProxyCommandFailure=paramiko.ProxyCommandFailure-class.html"><a title="paramiko.ProxyCommandFailure" class="py-name" href="#" onclick="return doclink('link-2', 'ProxyCommandFailure', 'link-2');">ProxyCommandFailure</a></tt> </tt>
<a name="L29"></a><tt class="py-lineno">29</tt>  <tt class="py-line"> </tt>
<a name="L30"></a><tt class="py-lineno">30</tt>  <tt class="py-line"> </tt>
<a name="ProxyCommand"></a><div id="ProxyCommand-def"><a name="L31"></a><tt class="py-lineno">31</tt> <a class="py-toggle" href="#" id="ProxyCommand-toggle" onclick="return toggle('ProxyCommand');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="paramiko.proxy.ProxyCommand-class.html">ProxyCommand</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ProxyCommand-collapsed" style="display:none;" pad="++" indent="++++"></div><div id="ProxyCommand-expanded"><a name="L32"></a><tt class="py-lineno">32</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L33"></a><tt class="py-lineno">33</tt>  <tt class="py-line"><tt class="py-docstring">    Wraps a subprocess running ProxyCommand-driven programs.</tt> </tt>
<a name="L34"></a><tt class="py-lineno">34</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L35"></a><tt class="py-lineno">35</tt>  <tt class="py-line"><tt class="py-docstring">    This class implements a the socket-like interface needed by the</tt> </tt>
<a name="L36"></a><tt class="py-lineno">36</tt>  <tt class="py-line"><tt class="py-docstring">    L{Transport} and L{Packetizer} classes. Using this class instead of a</tt> </tt>
<a name="L37"></a><tt class="py-lineno">37</tt>  <tt class="py-line"><tt class="py-docstring">    regular socket makes it possible to talk with a Popen'd command that will</tt> </tt>
<a name="L38"></a><tt class="py-lineno">38</tt>  <tt class="py-line"><tt class="py-docstring">    proxy traffic between the client and a server hosted in another machine.</tt> </tt>
<a name="L39"></a><tt class="py-lineno">39</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="ProxyCommand.__init__"></a><div id="ProxyCommand.__init__-def"><a name="L40"></a><tt class="py-lineno">40</tt> <a class="py-toggle" href="#" id="ProxyCommand.__init__-toggle" onclick="return toggle('ProxyCommand.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.proxy.ProxyCommand-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">command_line</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ProxyCommand.__init__-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="ProxyCommand.__init__-expanded"><a name="L41"></a><tt class="py-lineno">41</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L42"></a><tt class="py-lineno">42</tt>  <tt class="py-line"><tt class="py-docstring">        Create a new CommandProxy instance. The instance created by this</tt> </tt>
<a name="L43"></a><tt class="py-lineno">43</tt>  <tt class="py-line"><tt class="py-docstring">        class can be passed as an argument to the L{Transport} class.</tt> </tt>
<a name="L44"></a><tt class="py-lineno">44</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L45"></a><tt class="py-lineno">45</tt>  <tt class="py-line"><tt class="py-docstring">        @param command_line: the command that should be executed and</tt> </tt>
<a name="L46"></a><tt class="py-lineno">46</tt>  <tt class="py-line"><tt class="py-docstring">            used as the proxy.</tt> </tt>
<a name="L47"></a><tt class="py-lineno">47</tt>  <tt class="py-line"><tt class="py-docstring">        @type command_line: str</tt> </tt>
<a name="L48"></a><tt class="py-lineno">48</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L49"></a><tt class="py-lineno">49</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cmd</tt> <tt class="py-op">=</tt> <tt class="py-name">shlsplit</tt><tt class="py-op">(</tt><tt class="py-name">command_line</tt><tt class="py-op">)</tt> </tt>
<a name="L50"></a><tt class="py-lineno">50</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">process</tt> <tt class="py-op">=</tt> <tt class="py-name">Popen</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cmd</tt><tt class="py-op">,</tt> <tt class="py-name">stdin</tt><tt class="py-op">=</tt><tt class="py-name">PIPE</tt><tt class="py-op">,</tt> <tt class="py-name">stdout</tt><tt class="py-op">=</tt><tt class="py-name">PIPE</tt><tt class="py-op">,</tt> <tt class="py-name">stderr</tt><tt class="py-op">=</tt><tt class="py-name">PIPE</tt><tt class="py-op">)</tt> </tt>
</div><a name="L51"></a><tt class="py-lineno">51</tt>  <tt class="py-line"> </tt>
<a name="ProxyCommand.send"></a><div id="ProxyCommand.send-def"><a name="L52"></a><tt class="py-lineno">52</tt> <a class="py-toggle" href="#" id="ProxyCommand.send-toggle" onclick="return toggle('ProxyCommand.send');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.proxy.ProxyCommand-class.html#send">send</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">content</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ProxyCommand.send-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="ProxyCommand.send-expanded"><a name="L53"></a><tt class="py-lineno">53</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L54"></a><tt class="py-lineno">54</tt>  <tt class="py-line"><tt class="py-docstring">        Write the content received from the SSH client to the standard</tt> </tt>
<a name="L55"></a><tt class="py-lineno">55</tt>  <tt class="py-line"><tt class="py-docstring">        input of the forked command.</tt> </tt>
<a name="L56"></a><tt class="py-lineno">56</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L57"></a><tt class="py-lineno">57</tt>  <tt class="py-line"><tt class="py-docstring">        @param content: string to be sent to the forked command</tt> </tt>
<a name="L58"></a><tt class="py-lineno">58</tt>  <tt class="py-line"><tt class="py-docstring">        @type content: str</tt> </tt>
<a name="L59"></a><tt class="py-lineno">59</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L60"></a><tt class="py-lineno">60</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L61"></a><tt class="py-lineno">61</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">process</tt><tt class="py-op">.</tt><tt class="py-name">stdin</tt><tt class="py-op">.</tt><tt id="link-3" class="py-name" targets="Method paramiko.BufferedFile.write()=paramiko.BufferedFile-class.html#write,Method paramiko.SFTPHandle.write()=paramiko.SFTPHandle-class.html#write"><a title="paramiko.BufferedFile.write
paramiko.SFTPHandle.write" class="py-name" href="#" onclick="return doclink('link-3', 'write', 'link-3');">write</a></tt><tt class="py-op">(</tt><tt class="py-name">content</tt><tt class="py-op">)</tt> </tt>
<a name="L62"></a><tt class="py-lineno">62</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L63"></a><tt class="py-lineno">63</tt>  <tt class="py-line">            <tt class="py-comment"># There was a problem with the child process. It probably</tt> </tt>
<a name="L64"></a><tt class="py-lineno">64</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># died and we can't proceed. The best option here is to</tt> </tt>
<a name="L65"></a><tt class="py-lineno">65</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># raise an exception informing the user that the informed</tt> </tt>
<a name="L66"></a><tt class="py-lineno">66</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># ProxyCommand is not working.</tt> </tt>
<a name="L67"></a><tt class="py-lineno">67</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">raise</tt> <tt class="py-name">BadProxyCommand</tt><tt class="py-op">(</tt><tt class="py-string">' '</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cmd</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">strerror</tt><tt class="py-op">)</tt> </tt>
<a name="L68"></a><tt class="py-lineno">68</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">content</tt><tt class="py-op">)</tt> </tt>
</div><a name="L69"></a><tt class="py-lineno">69</tt>  <tt class="py-line"> </tt>
<a name="ProxyCommand.recv"></a><div id="ProxyCommand.recv-def"><a name="L70"></a><tt class="py-lineno">70</tt> <a class="py-toggle" href="#" id="ProxyCommand.recv-toggle" onclick="return toggle('ProxyCommand.recv');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.proxy.ProxyCommand-class.html#recv">recv</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">size</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ProxyCommand.recv-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="ProxyCommand.recv-expanded"><a name="L71"></a><tt class="py-lineno">71</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L72"></a><tt class="py-lineno">72</tt>  <tt class="py-line"><tt class="py-docstring">        Read from the standard output of the forked program.</tt> </tt>
<a name="L73"></a><tt class="py-lineno">73</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L74"></a><tt class="py-lineno">74</tt>  <tt class="py-line"><tt class="py-docstring">        @param size: how many chars should be read</tt> </tt>
<a name="L75"></a><tt class="py-lineno">75</tt>  <tt class="py-line"><tt class="py-docstring">        @type size: int</tt> </tt>
<a name="L76"></a><tt class="py-lineno">76</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L77"></a><tt class="py-lineno">77</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the length of the read content</tt> </tt>
<a name="L78"></a><tt class="py-lineno">78</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: int</tt> </tt>
<a name="L79"></a><tt class="py-lineno">79</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L80"></a><tt class="py-lineno">80</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L81"></a><tt class="py-lineno">81</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt id="link-4" class="py-name" targets="Method paramiko.BufferedFile.read()=paramiko.BufferedFile-class.html#read,Method paramiko.SFTPHandle.read()=paramiko.SFTPHandle-class.html#read,Method paramiko.buffered_pipe.BufferedPipe.read()=paramiko.buffered_pipe.BufferedPipe-class.html#read"><a title="paramiko.BufferedFile.read
paramiko.SFTPHandle.read
paramiko.buffered_pipe.BufferedPipe.read" class="py-name" href="#" onclick="return doclink('link-4', 'read', 'link-4');">read</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">process</tt><tt class="py-op">.</tt><tt class="py-name">stdout</tt><tt class="py-op">.</tt><tt id="link-5" class="py-name" targets="Method paramiko.Channel.fileno()=paramiko.Channel-class.html#fileno,Method paramiko.pipe.PosixPipe.fileno()=paramiko.pipe.PosixPipe-class.html#fileno,Method paramiko.pipe.WindowsPipe.fileno()=paramiko.pipe.WindowsPipe-class.html#fileno"><a title="paramiko.Channel.fileno
paramiko.pipe.PosixPipe.fileno
paramiko.pipe.WindowsPipe.fileno" class="py-name" href="#" onclick="return doclink('link-5', 'fileno', 'link-5');">fileno</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">size</tt><tt class="py-op">)</tt> </tt>
<a name="L82"></a><tt class="py-lineno">82</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">IOError</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">:</tt> </tt>
<a name="L83"></a><tt class="py-lineno">83</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">BadProxyCommand</tt><tt class="py-op">(</tt><tt class="py-string">' '</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">cmd</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">e</tt><tt class="py-op">.</tt><tt class="py-name">strerror</tt><tt class="py-op">)</tt> </tt>
</div><a name="L84"></a><tt class="py-lineno">84</tt>  <tt class="py-line"> </tt>
<a name="ProxyCommand.close"></a><div id="ProxyCommand.close-def"><a name="L85"></a><tt class="py-lineno">85</tt> <a class="py-toggle" href="#" id="ProxyCommand.close-toggle" onclick="return toggle('ProxyCommand.close');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.proxy.ProxyCommand-class.html#close">close</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ProxyCommand.close-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="ProxyCommand.close-expanded"><a name="L86"></a><tt class="py-lineno">86</tt>  <tt class="py-line">        <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">kill</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">process</tt><tt class="py-op">.</tt><tt class="py-name">pid</tt><tt class="py-op">,</tt> <tt class="py-name">signal</tt><tt class="py-op">.</tt><tt class="py-name">SIGTERM</tt><tt class="py-op">)</tt> </tt>
</div><a name="L87"></a><tt class="py-lineno">87</tt>  <tt class="py-line"> </tt>
<a name="ProxyCommand.settimeout"></a><div id="ProxyCommand.settimeout-def"><a name="L88"></a><tt class="py-lineno">88</tt> <a class="py-toggle" href="#" id="ProxyCommand.settimeout-toggle" onclick="return toggle('ProxyCommand.settimeout');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="paramiko.proxy.ProxyCommand-class.html#settimeout">settimeout</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">timeout</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ProxyCommand.settimeout-collapsed" style="display:none;" pad="++" indent="++++++++"></div><div id="ProxyCommand.settimeout-expanded"><a name="L89"></a><tt class="py-lineno">89</tt>  <tt class="py-line">        <tt class="py-comment"># Timeouts are meaningless for this implementation, but are part of the</tt> </tt>
<a name="L90"></a><tt class="py-lineno">90</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># spec, so must be present.</tt> </tt>
<a name="L91"></a><tt class="py-lineno">91</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">pass</tt> </tt>
</div></div><a name="L92"></a><tt class="py-lineno">92</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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